Inside Cabin
max. 410 m²
Air conditioning, Private bath, TV
Costa Diadema
Costa Diadema
A new jewel shines on the sea taking you to the most popular cruise destinations, Costa Diadema.
Our Best Costa Diadema Deals
2024/2025
All Inclusive Santos to Southampton
16th Apr 25, 26 nights - Transatlantic & Repositioning, South America, Brazil, Europe, Southern Europe, Spain , Portugal, Western Europe, Costa de Lisboa, Canary Islands, Madeira, England, France, Andalusia, United Kingdom, Northern Europe, Costa de la Luz, Galicia, British Isles
Costa Diadema
- Imcludes 3 Night Hotels Stay in Sao Paulo, Brazil
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
From £1,899 pp
Including flight
Western Mediterranean from Barcelona, Spain with the Costa Diadema
29th Sep 25, 10 nights - Southern Europe, Europe, Western Mediterranean, Mediterranean, Spain , Andalusia, Western Europe, Portugal, Costa de la Luz, Italy, France, Catalonia, Costa de Lisboa, Costa del Sol
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £759 pp
Transatlantic & Repositioning from Barcelona, Spain with the Costa Diadema
1st Dec 24, 13 nights - Transatlantic & Repositioning, Spain , Southern Europe, Europe, Azores, Catalonia, Mediterranean, Western Mediterranean, Brazil, Canary Islands, Andalusia, Portugal, Costa de la Luz, South America
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £539 pp
South America from Buenos Aires, Argentina with the Costa Diadema
15th Jan 25, 7 nights - South America, Brazil, Argentina, Uruguay
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £749 pp
Norway from Copenhagen, Denmark with the Costa Diadema
31st May 25, 7 nights - Europe, Northern Europe, Scandinavia, Norway, Norwegian Fjords, Baltic Sea, Denmark, Western Europe, Germany
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £819 pp
Western Mediterranean from Kiel, Germany with the Costa Diadema
12th Sep 25, 12 nights - Europe, Southern Europe, Mediterranean, Western Mediterranean, Spain , Western Europe, Scandinavia, Baltic Sea, France, Northern Europe, Catalonia, Denmark, Valencian Community, Germany, Portugal, Norway, Costa Blanca, Galicia, Italy, Costa de Lisboa
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £779 pp
Rio de Janeiro to Rotterdam
18th Apr 25, 28 nights - Transatlantic & Repositioning, Europe, Brazil, South America, Spain , Southern Europe, Western Europe, Portugal, England, South Holland, France, Andalusia, United Kingdom, Northern Europe, Costa de la Luz, Benelux, Netherlands, British Isles, Galicia, Costa de Lisboa, Canary Islands, Madeira
Costa Diadema
- All Inclusive Cruise!
- Includes 3 Night Hotel Stay In Rio De Janeiro
- High-end treatments at the 3-story Samsara Spa
From £3,199 pp
Including flight
Norway from Kiel, Germany with the Costa Diadema
16th May 25, 7 nights - Europe, Northern Europe, Scandinavia, Norway, Norwegian Fjords, Baltic Sea, Denmark, Western Europe, Germany
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £659 pp
England from Southampton (London), England, United Kingdom with the Costa Diadema
12th May 25, 4 nights - Europe, Western Europe, Germany, Baltic Sea, England, South Holland, United Kingdom, Northern Europe, Netherlands, Benelux, British Isles
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £179 pp
South America from Santos, Brazil with the Costa Diadema
11th Jan 25, 7 nights - South America, Brazil, Argentina, Uruguay
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £599 pp
Brazil from Las Palmas de Gran Canaria, Canary Islands, Spain with the Costa Diadema
5th Dec 24, 10 nights - South America, Brazil, Canary Islands, Spain , Azores, Portugal
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £399 pp
Western Mediterranean from Kiel, Germany with the Costa Diadema
12th Sep 25, 11 nights - Europe, Southern Europe, Western Europe, Spain , Western Mediterranean, Mediterranean, Baltic Sea, France, Scandinavia, Northern Europe, Costa Blanca, Germany, Catalonia, Galicia, Costa de Lisboa, Denmark, Valencian Community, Portugal, Norway
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £709 pp
Transatlantic & Repositioning from Salvador da Bahia, Brazil with the Costa Diadema
23rd Apr 25, 23 nights - Transatlantic & Repositioning, Europe, Portugal, Spain , Western Europe, Southern Europe, Brazil, South America, Costa de Lisboa, Canary Islands, Madeira, England, South Holland, France, Andalusia, United Kingdom, Northern Europe, Costa de la Luz, Benelux, Netherlands, British Isles, Germany, Azores, Galicia, Baltic Sea
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £1,029 pp
Transatlantic & Repositioning from Santos, Brazil with the Costa Diadema
20th Apr 25, 22 nights - Transatlantic & Repositioning, Europe, South America, Brazil, Southern Europe, Spain , Portugal, Galicia, Azores, Costa de Lisboa, Canary Islands, Madeira, England, France, Andalusia, British Isles, United Kingdom, Northern Europe, Costa de la Luz, Western Europe
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £879 pp
Norway from Kiel, Germany with the Costa Diadema
30th May 25, 7 nights - Europe, Northern Europe, Scandinavia, Norway, Norwegian Fjords, Baltic Sea, Denmark, Western Europe, Germany
Costa Diadema
- High-end treatments at the 3-story Samsara Spa
- Casual, high-energy onboard atmosphere
- Family-friendly entertainment day and night
From £589 pp
Cruises on board Costa Diadema
Discover the best of Italy on board the new “Queen of the Mediterranean”: from the food and cuisine on board to the fantastoc entertainment. The Costa Diadema offers new ways to enjoy cruising. The Terrace on deck 5 – over 500 metres long – is lined with bars and restaurants that will make you feel like it’s a summer’s day on the Italian Riviera.
On board the entertainment is amazing, the Costa Diadema has aThree-level theatre, Country Rock Club, 4D Cinema, an amazing “Star Laser”, an interactive laser zone with a “Laser Maze” and a “Laser Shooting” simulator and the usual Casino to test your luck.
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Costa Diadema - We will be glad to make you a great offer!
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FACTS & FIGURES - Costa Diadema
- Ship length306 m
- Passengers4947
- Decks14
- Launched2014
Decks and Cabins - Costa Diadema
Outside Cabin
max. 414 m²
Air conditioning, TV
Balcony Cabin
max. 416 m²
Air conditioning, TV
Suite
max. 437.2 m²
Slippers, Safe, Telephone, Minibar, Hair dryer, Bathrobe, TV, Air conditioning
Please select a deck:
Deck 15 La fenice
Travel Tips for Costa Diadema
1,862 total cabins, including 141 in the wellness area; 756 with private balconies; 64 suites, all of them with private balconies; 11 suites in the wellbeing area. 7 restaurants, including the Pizzeria, Tavola Teppanyaki Restaurant, Club Restaurant and Samsara Restaurant. 11 bars, including the Angelo Poretti Pub, Gran Duca di Toscana Wine Bar and the Amarillo Ice Cream Parlour. Samsara Spa with boasts across four levels, with gym, spa, Thalassotherapy pool, treatment rooms, sauna, Turkish bath, UVA-ray solarium, cabins and suites. Plenty more on board from: 8 jacuzzis, 3 swimming pools, including one with a retractable roof, Multipurpose sports pitch and a 220m Outdoor jogging track.
Costa Diadema is an art gallery on board, 190 original works of art and 7,874 reproductions by artists on the theme of royalty. The inspirations are contemporary pop culture and traditional Italian Renaissance art.
Plus much more to enjoy and indulge in.
- Disco
- Pool Deck (with retractable roof & giant screen)
- Internet Points
- Library
- Squok Club
- Virtual World
- Kids Pool with Pirate Ship & Castle
- Shopping Centre